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-rw-r--r--test/956-methodhandles/src/Main.java136
1 files changed, 0 insertions, 136 deletions
diff --git a/test/956-methodhandles/src/Main.java b/test/956-methodhandles/src/Main.java
deleted file mode 100644
index 2802dfa4cc..0000000000
--- a/test/956-methodhandles/src/Main.java
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import java.lang.invoke.MethodHandle;
-import java.lang.invoke.MethodHandles;
-import java.lang.invoke.MethodHandles.Lookup;
-import java.lang.invoke.MethodType;
-import java.lang.invoke.WrongMethodTypeException;
-
-public class Main {
-
- public static class A {
- public void foo() {
- System.out.println("foo_A");
- }
-
- public static final Lookup lookup = MethodHandles.lookup();
- }
-
- public static class B extends A {
- public void foo() {
- System.out.println("foo_B");
- }
-
- public static final Lookup lookup = MethodHandles.lookup();
- }
-
- public static class C extends B {
- public static final Lookup lookup = MethodHandles.lookup();
- }
-
- public static class D {
- private final void privateRyan() {
- System.out.println("privateRyan_D");
- }
-
- public static final Lookup lookup = MethodHandles.lookup();
- }
-
- public static class E extends D {
- public static final Lookup lookup = MethodHandles.lookup();
- }
-
- public static void main(String[] args) throws Throwable {
- testfindSpecial_invokeSuperBehaviour();
- testfindSpecial_invokeDirectBehaviour();
- }
-
- public static void testfindSpecial_invokeSuperBehaviour() throws Throwable {
- // This is equivalent to an invoke-super instruction where the referrer
- // is B.class.
- MethodHandle mh1 = B.lookup.findSpecial(A.class /* refC */, "foo",
- MethodType.methodType(void.class), B.class /* specialCaller */);
-
- A aInstance = new A();
- B bInstance = new B();
- C cInstance = new C();
-
- // This should be as if an invoke-super was called from one of B's methods.
- mh1.invokeExact(bInstance);
- mh1.invoke(bInstance);
-
- // This should not work. The receiver type in the handle will be suitably
- // restricted to B and subclasses.
- try {
- mh1.invoke(aInstance);
- System.out.println("mh1.invoke(aInstance) should not succeeed");
- } catch (ClassCastException expected) {
- }
-
- try {
- mh1.invokeExact(aInstance);
- System.out.println("mh1.invoke(aInstance) should not succeeed");
- } catch (WrongMethodTypeException expected) {
- } catch (ClassCastException workaround) {
- // TODO(narayan): ART treats all invokes as if they were non-exact. We
- // should throw a WMTE if we execute an invoke-polymorphic instruction whose
- // target method is MethodHandle.invokeExact.
- }
-
- // This should *still* be as if an invoke-super was called from one of C's
- // methods, despite the fact that we're operating on a C.
- mh1.invoke(cInstance);
-
- // Now that C is the special caller, the next invoke will call B.foo.
- MethodHandle mh2 = C.lookup.findSpecial(A.class /* refC */, "foo",
- MethodType.methodType(void.class), C.class /* specialCaller */);
- mh2.invokeExact(cInstance);
-
- // Shouldn't allow invoke-super semantics from an unrelated special caller.
- try {
- C.lookup.findSpecial(A.class, "foo",
- MethodType.methodType(void.class), D.class /* specialCaller */);
- System.out.println("findSpecial(A.class, foo, .. D.class) unexpectedly succeeded.");
- } catch (IllegalAccessException expected) {
- }
- }
-
- public static void testfindSpecial_invokeDirectBehaviour() throws Throwable {
- D dInstance = new D();
-
- MethodHandle mh3 = D.lookup.findSpecial(D.class, "privateRyan",
- MethodType.methodType(void.class), D.class /* specialCaller */);
- mh3.invoke(dInstance);
-
- // The private method shouldn't be accessible from any special caller except
- // itself...
- try {
- D.lookup.findSpecial(D.class, "privateRyan", MethodType.methodType(void.class), C.class);
- System.out.println("findSpecial(privateRyan, C.class) unexpectedly succeeded");
- } catch (IllegalAccessException expected) {
- }
-
- // ... or from any lookup context except its own.
- try {
- E.lookup.findSpecial(D.class, "privateRyan", MethodType.methodType(void.class), E.class);
- System.out.println("findSpecial(privateRyan, E.class) unexpectedly succeeded");
- } catch (IllegalAccessException expected) {
- }
- }
-}
-
-